27681250

素因数分解:

$2^1\times 5^5\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 53621568

約数和(自身を除く): 25940318

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 103, 125, 206, 215, 250, 430, 515, 625, 1030, 1075, 1250, 2150, 2575, 3125, 4429, 5150, 5375, 6250, 8858, 10750, 12875, 22145, 25750, 26875, 44290, 53750, 64375, 110725, 128750, 134375, 221450, 268750, 321875, 553625, 643750, 1107250, 2768125, 5536250, 13840625, 27681250]

約数ペア:

[(1, 27681250), (2, 13840625), (5, 5536250), (10, 2768125), (25, 1107250), (43, 643750), (50, 553625), (86, 321875), (103, 268750), (125, 221450), (206, 134375), (215, 128750), (250, 110725), (430, 64375), (515, 53750), (625, 44290), (1030, 26875), (1075, 25750), (1250, 22145), (2150, 12875), (2575, 10750), (3125, 8858), (4429, 6250), (5150, 5375)]